Hair cylinder L67.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

ecbolic folliculitis; ejaculatory folliculitis; folliculitis-secreting; Hair casts; Hair Eaters

Definition
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Grey-white, 3-7 mm long formations that surround the hair in a cylindrical shape and can move freely along the hair shaft.

Occurrence/Epidemiology
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Especially with young girls.

Etiopathogenesis
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Not clear.

Clinical features
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Hair cylinders are divided into 2 types:
  • Parakeratotic hair cylinders: Occurrence in various inflammatory diseases of the scalp, e.g. psoriasis, pityriasis amiantacea, pityriasis simplex capillitii.
  • Peripapillary hair cylinders: No alteration of the scalp; the pods are composed of parts of the inner and outer root sheath. So far only described in the female sex.

Therapy
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Brushing out the hair cylinders.

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020